package com.atguigu.lease.web.app.service.impl;


import com.atguigu.lease.common.constants.RedisConstant;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.springmvc.LeaseException;
import com.atguigu.lease.common.utils.JwtUtil;
import com.atguigu.lease.model.entity.UserInfo;
import com.atguigu.lease.model.enums.BaseStatus;
import com.atguigu.lease.web.app.service.LoginService;
import com.atguigu.lease.web.app.service.UserInfoService;
import com.atguigu.lease.web.app.vo.user.LoginVo;
import com.atguigu.lease.web.app.vo.user.UserInfoVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Random;
import java.util.concurrent.TimeUnit;

@Service
public class LoginServiceImpl implements LoginService {
    @Autowired
    private RedisTemplate<String,Object> redisTemplate;
    @Autowired
    private UserInfoService userInfoService;

    @Override
    public void sendCode(String phone) {
        String key= RedisConstant.APP_LOGIN_PREFIX+phone;
        Boolean hasKey = redisTemplate.hasKey(key);
        if (hasKey) {
            Long expire = redisTemplate.getExpire(key);
            Integer codeResendTimeSec = RedisConstant.APP_LOGIN_CODE_RESEND_TIME_SEC;
            Integer codeTtlSec = RedisConstant.APP_LOGIN_CODE_TTL_SEC;
            if (codeTtlSec-expire<codeResendTimeSec){
                throw new LeaseException(ResultCodeEnum.APP_SEND_SMS_TOO_OFTEN);
            }
        }
        StringBuilder code = new StringBuilder();
        Random random = new Random();
        for (int i = 0; i < 6; i++) {
            code.append(random.nextInt(10));
        }
        String string = code.toString();
        System.out.println("验证码为:"+code);
        redisTemplate.opsForValue().set(key,string,RedisConstant.ADMIN_LOGIN_CAPTCHA_TTL_SEC, TimeUnit.SECONDS);
    }

    @Override
    public String login(LoginVo loginVo) {
        String key=RedisConstant.APP_LOGIN_PREFIX+loginVo.getPhone();
        String code=(String) redisTemplate.opsForValue().get(key);
        if (code==null || !code.equals(loginVo.getCode())) {
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_ERROR);
        }
        LambdaQueryWrapper<UserInfo> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(UserInfo::getPhone,loginVo.getPhone());
        UserInfo userInfo = userInfoService.getOne(wrapper);
        if (userInfo==null) {
            userInfo=new UserInfo();
            userInfo.setPhone(loginVo.getPhone());
            userInfo.setAvatarUrl("https://pic1.zhimg.com/v2-21a776b1c38c53198994283ef0bc0810_r.jpg");
            userInfo.setNickname("王哲"+loginVo.getPhone().substring(5));
            userInfo.setStatus(BaseStatus.ENABLE);
            userInfoService.save(userInfo);
        }
        if (userInfo.getStatus()== BaseStatus.DISABLE) {
            throw new LeaseException(ResultCodeEnum.APP_ACCOUNT_DISABLED_ERROR);
        }
        String token = JwtUtil.createToken(userInfo.getId(), userInfo.getPhone());
        return token;
    }

    @Override
    public UserInfoVo info(String accessToken) {
        Integer userId = (Integer) JwtUtil.parseToken(accessToken).get("userId");
        UserInfo byId = userInfoService.getById(userId);
        UserInfoVo userInfoVo = new UserInfoVo(byId.getNickname(), byId.getAvatarUrl());
        return userInfoVo;
    }
}
